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A042815 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 8
5 67
6 142
7 209
8 351
9 560
10 33951
11 34511
12 68462
13 102973
14 274408
15 2298237
16 4870882
17 7169119
18 12040001
19 19209120
20 1164587201
21 1183796321
22 2348383522
23 3532179843
24 9412743208
25 78834125507
26 167080994222

[1,1,2,3,8,67,142,209,351,560,33951,34511,68462,
 102973,274408,2298237,4870882,7169119,12040001,
 19209120,1164587201,1183796321,2348383522,
 3532179843,9412743208,78834125507,167080994222]

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Last modified April 24 09:41 EDT 2024. Contains 371935 sequences. (Running on oeis4.)